import java.util.Arrays;

public class a1 {
    public int[] twoSum(int[] nums, int target) {
        for(int i=0;i<nums.length-1;i++){
            for(int j=i+1;j<nums.length;j++){
                if(nums[i]+nums[j]==target){
                    return new int[]{i,j};
                }
            }

        }
        throw new IllegalArgumentException("no");
    }
    }


//
//    public static void main(String[] args) {
//        int[] nums ={2, 7, 11, 15};
//        System.out.println(Arrays.toString(twoSum(nums, 9)));
//    }
